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- Two-dimensional material shows promise for optoelectronics: LEDs, photovoltaic cells, and light detectors
- Mon, 10 Mar 2014 11:17:56 EDT - Team creates LEDs, photovoltaic cells, and light detectors using novel one-molecule-thick material. Researchers have used a novel material that's just a few atoms thick to create devices that can harness or emit light. This proof-of-concept could lead to ultrathin, lightweight, and flexible photovoltaic cells, light emitting diodes (LEDs), and other optoelectronic devices, they say.
- Synthetic biologists shine light on genetic circuit analysis
- Mon, 10 Mar 2014 11:17:10 EDT - In a significant advance for the growing field of synthetic biology, bioengineers have created a toolkit of genes and hardware that uses colored lights and engineered bacteria to bring both mathematical predictability and cut-and-paste simplicity to the world of genetic circuit design.
- Scents and sustainability: Renewable sources for artificial scents and flavors
- Mon, 10 Mar 2014 10:23:26 EDT - Fresh banana, a waft of flowers, blueberry: the scents in some labs are a little sweeter than most. Researchers are engineering bacteria to make esters -- molecules widely used as scents and flavorings, and also as basic feedstock for chemical processes from paints to fuels.
- Alaska the Last Frontier ... not for long
- Mon, 10 Mar 2014 10:22:40 EDT - Alaska, the last great frontier, is being threatened by many proposals to mine an estimated 5.5 trillion tons of coal. Scientists comment on the struggle to keep Alaska untouched.
- Healthy Eating May Reduce the Risk of Preterm Delivery
- Mon, 10 Mar 2014 10:22:26 EDT - In a new study, participants completed a scientifically evaluated questionnaire about what they had been eating and drinking since becoming pregnant. The results show that the group of women with the 'healthiest' pregnancy diet had a roughly 15% lower risk of preterm delivery compared with those with the most unhealthy diet. The correlation remained after controlling for ten other known risk factors for preterm delivery.
- Can the solution to climate change help eliminate poverty?
- Mon, 10 Mar 2014 10:22:24 EDT - It is clear that climate change and poverty are two separate problems that affect all corners of the world, but can the solution to one help eliminate the other? Ecosystem-based adaptation is becoming more widely recognized as a possible solution to addressing climate change. Although this program does have its setbacks and limitations, it provides a plan to combat climate change while uplifting poverty stricken communities most vulnerable to the negative effects of climate change.
- Smokers' brains biased against negative images of smoking
- Mon, 10 Mar 2014 10:22:20 EDT - What if the use of a product influenced your perception of it, making you even more susceptible to its positive aspects and altering your understanding of its drawbacks? This is precisely what happens with cigarettes in chronic smokers, according to a recent study.
- Microwave radar monitors sliding slopes: Geodesists research in the Alps
- Mon, 10 Mar 2014 10:22:16 EDT - The “Steinlehnen” slope in Northern Tyrol (Austria) started to move in 2003. Rockfalls threatened people, streets and buildings. Meanwhile, peace has returned; although the slope is merely “creeping”, Steinlehnen has become an interesting research object for scientists in recent years.
- Dropped your toast? Five-second food rule exists, new research suggests
- Mon, 10 Mar 2014 10:22:12 EDT - Food picked up just a few seconds after being dropped is less likely to contain bacteria than if it is left for longer periods of time, according to new research. The findings suggest there may be some scientific basis to the '5 second rule' -- the urban myth about it being fine to eat food that has only had contact with the floor for five seconds or less. The study, undertaken by final year biology students monitored the transfer of the common bacteria Escherichia coli (E. coli) and Staphylococcus aureus from a variety of indoor floor types (carpet, laminate and tiled surfaces) to toast, pasta, biscuit and a sticky sweet when contact was made from 3 to 30 seconds.
- Lower IQ and poorer cardiovascular fitness in teen years increase risk of early-onset dementia
- Mon, 10 Mar 2014 10:22:08 EDT - Men who at the age of 18 years have poorer cardiovascular fitness and/or a lower IQ more often suffer from dementia before the age of 60. This is shown in a recent study encompassing more than one million Swedish men.
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